diff options
Diffstat (limited to 'src/secp256k1/include/secp256k1_schnorrsig.h')
| -rw-r--r-- | src/secp256k1/include/secp256k1_schnorrsig.h | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/secp256k1/include/secp256k1_schnorrsig.h b/src/secp256k1/include/secp256k1_schnorrsig.h index 74cbcac45e..e971ddc2aa 100644 --- a/src/secp256k1/include/secp256k1_schnorrsig.h +++ b/src/secp256k1/include/secp256k1_schnorrsig.h @@ -106,12 +106,13 @@ typedef struct { * signatures from being valid in multiple contexts by accident. * * Returns 1 on success, 0 on failure. - * Args: ctx: pointer to a context object, initialized for signing (cannot be NULL) - * Out: sig64: pointer to a 64-byte array to store the serialized signature (cannot be NULL) - * In: msg32: the 32-byte message being signed (cannot be NULL) - * keypair: pointer to an initialized keypair (cannot be NULL) + * Args: ctx: pointer to a context object, initialized for signing. + * Out: sig64: pointer to a 64-byte array to store the serialized signature. + * In: msg32: the 32-byte message being signed. + * keypair: pointer to an initialized keypair. * aux_rand32: 32 bytes of fresh randomness. While recommended to provide - * this, it is only supplemental to security and can be NULL. See + * this, it is only supplemental to security and can be NULL. A + * NULL argument is treated the same as an all-zero one. See * BIP-340 "Default Signing" for a full explanation of this * argument and for guidance if randomness is expensive. */ @@ -120,7 +121,7 @@ SECP256K1_API int secp256k1_schnorrsig_sign( unsigned char *sig64, const unsigned char *msg32, const secp256k1_keypair *keypair, - unsigned char *aux_rand32 + const unsigned char *aux_rand32 ) SECP256K1_ARG_NONNULL(1) SECP256K1_ARG_NONNULL(2) SECP256K1_ARG_NONNULL(3) SECP256K1_ARG_NONNULL(4); /** Create a Schnorr signature with a more flexible API. @@ -150,7 +151,7 @@ SECP256K1_API int secp256k1_schnorrsig_sign_custom( * Returns: 1: correct signature * 0: incorrect signature * Args: ctx: a secp256k1 context object, initialized for verification. - * In: sig64: pointer to the 64-byte signature to verify (cannot be NULL) + * In: sig64: pointer to the 64-byte signature to verify. * msg: the message being verified. Can only be NULL if msglen is 0. * msglen: length of the message * pubkey: pointer to an x-only public key to verify with (cannot be NULL) |